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Software:
Software is a programme that is made to execute the specific
task.
Concept of Testing:
A car has been made properly with design. Then it has been delivered to
customer. The customer start the car and after going some distance, he
realized the car has no breaks.
Problem-There is no testing is done before handover.
Software Testing:
Software testing is a planned process that is used to identify the
correctness, completeness, security and quality of software.
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Why Need Testing
Testing is necessary for many reasons such as:
1) To show that the application satisfies customers’
needs/expectations.
2) To show that application is fit for purpose
3) Verification and Validation
4) Self judgment not possible
E.g---->A banking application is delivered to customer with
few bugs in it. End user of bank will suffer some problem
due to bugs in application so he may quit using this bank
also can go for some legal actions. To prevent these kind of
scenarios testing is done. This is very general example.
because of improve the quality and increase the reliability
of the product.
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Types of Testing
There are many types of software testing strategies:
1) Alpha testing
2) Beta testing
3) Smoke testing (Ad-hoc testing)
4) Functional testing
5) Integration testing
6) Regression testing
7) System testing
8) Load testing
9) Stress testing
10) Performance testing
11) User acceptance testing
12) Black box testing
13) White box testing
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Testing Tools
Manual Test: Executing the test cases manually without any tool
support is known as manual testing.
Autometed Test: Automated software testing is the best way to
increase effectiveness, efficiency and coverage of your software testing .
Best Test Automation Tools
1.
2.
3.
4.
5.
Telerik Test Studio
HP Unified Functional Testing (UFT) software
Selenium automates browsers
TestComplete
watir
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Testing Life Cycle
The testing of software has its own life cycle. It starts with study
and analyzing the requirements. Here is the software testing life
cycle:
1) Requirement study
2) Test planning
3) writing and review the test
cases
4) Bug logging and tracking
5) Close and reopen bugs
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When Stop Testing
This can be difficult to determine. Many
modern software applications are so
complex and run in such an
interdependent environment, that
complete testing can never be done.
Common factors in deciding when to stop
are...
1) Deadlines;
2) Test cases completed with certain
percentage passed;
3) Test budget has been depleted;
4) Bug rate is least;
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Final Report
Testing is an art.
The testing coverage is defined by
exit criteria (There is exit criteria and
entry criteria in the Test Strategy).
For example, if the exit criteria says
“The software will be acceptable to
the client only if there are no critical
defects, no high defects, no medium
defects and only two low defects”,
then all the critical, high, medium
should be zero. Only 2 low defects are
acceptable. Thus, 100% coverage is
measured by the exit criteria. Also,
100% test cases must be executed in
order to cover 100% of testing.
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Contact Us
Web Q it Solution
Natun Bazar, Badda, Dhaka.
ph: 0167-307-683-7
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Testing Life Cycle
Test planning: Test planning involves scheduling and estimating the
system testing process, establishing process standards and describing
the tests that should be carried out.
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12. Testing Life Cycle
Writing and reviewing test cases: These factors should be taken
into attention when writing test cases of any level. All test cases should
reviewed and updated all the time.
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Testing Life Cycle
Bug logging and tracking: A bug tracking system or defect tracking
system is a softare application that is designed to help keep track of reported
softare bugs in software development efforts. It may be regarded as a type of
issue tracking systems.
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Testing Life Cycle
Close and reopen bugs: written defects as they are found . Once the
defects were fixed, retested them and if the passed, closed them.
It defects were not fixed , then reopen them.
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